Professor Din Syamsuddin served as chairman (2005-2015) of the largest modernist Islamic organization in Indonesia, the Muhammadiyah. He also served as chairman of the Indonesian Council of Ulema and is currently acting as chairman of its Advisory Council. He is a member of Group of Strategic Vision Russia – Islamic World, Chairman of the World Peace Forum and President of the Inter Religious Council–Indonesia. He was recently re-elected for another five-year term as President of the Asian Conference of Religions for Peace (ACRP). Syamsuddin is still very active in interfaith and intercultural dialogue and was appointed the Special Envoy for Religious Harmony by President Widodo.